c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6

General

Target

c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
Size

244KB
MD5

6ba8b2590287122052faf0045e6ef460
SHA1

5271d2605d01bbdae749d1b2a567272d1eb62fdd
SHA256

c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6
SHA512

1182fb8b29c3ef781230ef80a4a2d57f0b632519cf8342129ac855f1d8d327dccf84a1069501772a5e877d2ea1012f3fbee507479bef233ead3c85e6498f0f2d
SSDEEP

3072:B58gDfmEQOJt07iqHMagbkRECMGEVIrsKgGbQ/KU9EC1AgXCev:B5HRWDMagbkGC9EVkkr/9P

Score

10^/10

evasion persistence spyware stealer

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	jaosio.exe

Executes dropped EXE 1 IoCs

pid	Process
1536	jaosio.exe

Loads dropped DLL 2 IoCs

pid	Process
1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaosio = "C:\\Users\\Admin\\jaosio.exe /s"	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\	jaosio.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaosio = "C:\\Users\\Admin\\jaosio.exe /p"	jaosio.exe

Maps connected drives based on registry 3 TTPs 4 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	jaosio.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	jaosio.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
644	1980	WerFault.exe	15

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
1536	jaosio.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
1536	jaosio.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 1536	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	28
PID 1980 wrote to memory of 1536	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	28
PID 1980 wrote to memory of 1536	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	28
PID 1980 wrote to memory of 1536	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	28
PID 1980 wrote to memory of 644	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	29
PID 1980 wrote to memory of 644	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	29
PID 1980 wrote to memory of 644	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	29
PID 1980 wrote to memory of 644	1980	c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe	29

C:\Users\Admin\AppData\Local\Temp\c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe
"C:\Users\Admin\AppData\Local\Temp\c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\jaosio.exe
  "C:\Users\Admin\jaosio.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 824
  2⤵
  - Program crash
  PID:644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Credentials in Files

1

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\jaosio.exe

Filesize
244KB

MD5
6ba8b2590287122052faf0045e6ef460

SHA1
5271d2605d01bbdae749d1b2a567272d1eb62fdd

SHA256
c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6

SHA512
1182fb8b29c3ef781230ef80a4a2d57f0b632519cf8342129ac855f1d8d327dccf84a1069501772a5e877d2ea1012f3fbee507479bef233ead3c85e6498f0f2d

Download Submit
C:\Users\Admin\jaosio.exe

Filesize
244KB

MD5
6ba8b2590287122052faf0045e6ef460

SHA1
5271d2605d01bbdae749d1b2a567272d1eb62fdd

SHA256
c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6

SHA512
1182fb8b29c3ef781230ef80a4a2d57f0b632519cf8342129ac855f1d8d327dccf84a1069501772a5e877d2ea1012f3fbee507479bef233ead3c85e6498f0f2d

Download Submit
\Users\Admin\jaosio.exe

Filesize
244KB

MD5
6ba8b2590287122052faf0045e6ef460

SHA1
5271d2605d01bbdae749d1b2a567272d1eb62fdd

SHA256
c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6

SHA512
1182fb8b29c3ef781230ef80a4a2d57f0b632519cf8342129ac855f1d8d327dccf84a1069501772a5e877d2ea1012f3fbee507479bef233ead3c85e6498f0f2d

Download Submit
\Users\Admin\jaosio.exe

Filesize
244KB

MD5
6ba8b2590287122052faf0045e6ef460

SHA1
5271d2605d01bbdae749d1b2a567272d1eb62fdd

SHA256
c010a3f0614479eb3ea3464c540d089845ebfb88367841f4713244bfb22667c6

SHA512
1182fb8b29c3ef781230ef80a4a2d57f0b632519cf8342129ac855f1d8d327dccf84a1069501772a5e877d2ea1012f3fbee507479bef233ead3c85e6498f0f2d

Download Submit
memory/1980-56-0x0000000075831000-0x0000000075833000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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